No Two-Way Traffic Signs - Prohibition Signage for Road Safety #1840300 (License: Personal Use)

The image displays four standardized traffic signs prohibiting two-way movement: top row shows filled red circular signs with black bidirectional arrows crossed by a diagonal red bar; bottom row presents identical layouts in monochrome outline form for printing or vector use. These signs are used where opposing traffic flow is unsafe or prohibited, such as one-way streets, construction zones, or narrow bridges.

Used on transportation websites, driver education materials, municipal signage guides, and traffic engineering resources. Matches user intent for understanding, identifying, or downloading official road sign graphics for compliance or design.